Couenne
0.5.8
src
expression
CouennePrecisions.hpp
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/* $Id: CouennePrecisions.hpp 947 2013-04-25 13:12:07Z stefan $
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*
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* Name: CouennePrecisions.hpp
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* Author: Pietro Belotti
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* Purpose: constants for evaluation procedures
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*
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* (C) Carnegie-Mellon University, 2006-10.
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* This file is licensed under the Eclipse Public License (EPL)
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*/
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#ifndef COUENNE_PRECISIONS_HPP
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#define COUENNE_PRECISIONS_HPP
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#include <math.h>
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namespace
Couenne
{
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// must be >= 1e-7
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#define COUENNE_EPS 1.e-07
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// to be used in bounds tightening to avoid node pruning due to strict COUENNE_EPS tolerance
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#define COUENNE_BOUND_PREC 1.e-5
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// for integrality check
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#define COUENNE_EPS_INT 1.e-9
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// for simplification
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#define COUENNE_EPS_SIMPL 1.e-20
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// for bounds
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#ifndef COUENNE_INFINITY
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#define COUENNE_INFINITY 1.e+50
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#endif
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// for cuts, ensures stability and scaling in Clp
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#define COU_MAX_COEFF 1.e+9
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// for cuts, ditto
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#define COU_MIN_COEFF 1.e-9
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// rounds to nearest integer
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#define COUENNE_round(x) ((int) (floor ((x) + 0.5)))
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// sign of a value
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#define COUENNE_sign(x) ((x) > 0.0 ? 1.0 : -1.0)
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#define MAX_BOUND 1.e45
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const
double
Couenne_large_bound
= 9.999e12;
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}
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#endif
Couenne::Couenne_large_bound
const double Couenne_large_bound
used to declare LP unbounded
Definition:
CouennePrecisions.hpp:50
Couenne
general include file for different compilers
Definition:
CouenneAggrProbing.hpp:24
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